NativeD_TIMSubscribeUserStatus typedef
        NativeD_TIMSubscribeUserStatus =
     Int Function(Pointer<Uint8>  json_identifier_array, Pointer<Uint8>  user_data)
    
    
    
Implementation
typedef NativeD_TIMSubscribeUserStatus = ffi.Int Function(ffi.Pointer<ffi.Uint8> json_identifier_array, ffi.Pointer<ffi.Uint8> user_data);